<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>活动管理</el-breadcrumb-item>
      <el-breadcrumb-item>活动列表</el-breadcrumb-item>
      <el-breadcrumb-item>活动详情</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索框 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" clearable v-model="queryInfo.query" @clear="getUsersList">
            <el-button slot="append" icon="el-icon-search" @click="getUsersList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表 -->
      <template>
        <el-table :data="userList" border>
          <el-table-column label="ID" type="index"></el-table-column>
          <el-table-column label="姓名" prop="username"></el-table-column>
          <el-table-column label="电话" prop="mobile"></el-table-column>
          <el-table-column label="邮箱" prop="email"></el-table-column>
          <el-table-column label="角色" prop="role_name"></el-table-column>
          <el-table-column label="状态" prop="mg_state">
            <!-- 插槽传值 -->
            <template slot-scope="scope">
              <!-- {{scope.row}} -->
              <el-switch v-model="scope.row.mg_state" @change="changeState(scope.row)"></el-switch>
            </template>
          </el-table-column>
          <el-table-column label="操作" width="180px">
            <template slot-scope="scope">
              <!-- 修改按钮 -->
              <el-button
                type="primary"
                size="mini"
                icon="el-icon-edit"
                @click="showEditDialog(scope.row.id)"
              ></el-button>
              <!-- 删除按钮 -->
              <el-button
                type="danger"
                size="mini"
                icon="el-icon-delete"
                @click="removeUserById(scope.row.id)"
              ></el-button>
              <!-- 分配角色按钮 -->
              <el-tooltip
                class="item"
                effect="dark"
                content="分配角色"
                placement="top"
                :enterable="false"
              >
                <el-button
                  type="warning"
                  size="mini"
                  icon="el-icon-setting"
                  @click="setUserRole(scope.row)"
                ></el-button>
              </el-tooltip>
            </template>
          </el-table-column>
        </el-table>
      </template>
      <!-- 分页 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="currentPage"
        :page-sizes="[1, 2, 3, 4]"
        :page-size="100"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>

      <!-- 添加用户的对话框 -->
      <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
        <!-- 内容主体区域 -->
        <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
          <el-form-item label="用户名" prop="username">
            <el-input v-model="addForm.username"></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input v-model="addForm.password"></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="addForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="addForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <!-- 底部区域 -->
        <span slot="footer" class="dialog-footer">
          <el-button @click="addDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="addUser">确 定</el-button>
        </span>
      </el-dialog>

      <!-- 修改用户的对话框 -->
      <el-dialog
        title="修改用户"
        :visible.sync="editDialogVisible"
        width="50%"
        @close="editDialogClosed"
      >
        <!-- 内容主体区域 -->
        <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
          <el-form-item label="用户名" prop="username">
            <el-input v-model="editForm.username" disabled></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="editForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="editForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <!-- 底部区域 -->
        <span slot="footer" class="dialog-footer">
          <el-button @click="editDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="editUser">确 定</el-button>
        </span>
      </el-dialog>

      <!-- 分配角色的对话框 -->
      <el-dialog
        title="分配角色"
        :visible.sync="setRoleDialogVisible"
        width="50%"
        @close="setRoleDialogClosed"
      >
        <div>
          <p>当前的用户：{{userInfo.username}}</p>
          <p>当前的角色：{{userInfo.role_name}}</p>
          <p>
            分配新角色：
            <el-select v-model="selectedRoleId" placeholder="请选择">
              <el-option
                v-for="item in rolesList"
                :key="item.id"
                :label="item.roleName"
                :value="item.id"
              ></el-option>
            </el-select>
          </p>
        </div>
        <span slot="footer" class="dialog-footer">
          <el-button @click="setRoleDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
        </span>
      </el-dialog>
    </el-card>
  </div>
</template>

<script>
import {
  users_api,
  userState_api,
  userAdd_api,
  editUserId_api,
  editUser_api,
  deleteUser_api,
  userRole_api,
  setUserRole_api
} from '@/api/'
export default {
  data() {
    // 验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
      // 验证邮箱的正则表达式
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/

      if (regEmail.test(value)) {
        // 合法的邮箱
        return cb()
      }

      cb(new Error('请输入合法的邮箱'))
    }

    // 验证手机号的规则
    var checkMobile = (rule, value, cb) => {
      // 验证手机号的正则表达式
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/

      if (regMobile.test(value)) {
        return cb()
      }

      cb(new Error('请输入合法的手机号'))
    }
    return {
      queryInfo: {
        query: '',
        // 当前的页数
        pagenum: 1,
        // 当前每页显示多少条数据
        pagesize: 1
      },
      userList: [],
      // 当前页数
      currentPage: 1,
      // 总条目数
      total: 0,
      // 控制添加用户对话框的显示与隐藏
      addDialogVisible: false,
      // 添加用户的表单数据
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      // 添加表单的验证规则对象
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '用户名的长度在3~10个字符之间',
            trigger: 'blur'
          }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            min: 6,
            max: 15,
            message: '用户名的长度在6~15个字符之间',
            trigger: 'blur'
          }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },

      // 控制修改用户对话框的显示与隐藏
      editDialogVisible: false,
      // 查询到的用户信息对象
      editForm: {},
      // 修改表单的验证规则对象
      editFormRules: {
        email: [
          { required: true, message: '请输入用户邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入用户手机', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },

      // 控制分配角色对话框的显示与隐藏
      setRoleDialogVisible: false,
      // 需要被分配角色的用户信息
      userInfo: {},
      // 所有角色的数据列表
      rolesList: [],
      // 已选中的角色Id值
      selectedRoleId: ''
    }
  },
  created() {
    this.getUsersList()
  },
  methods: {
    // 请求用户数据列表
    async getUsersList() {
      const { data: res } = await users_api(this.queryInfo)
      this.total = Math.ceil(res.data.total)
      // console.log(this.total)
      if (res.meta.status !== 200)
        return this.$message.error('错了哦，这是一条错误消息')
      // 把返回的数据赋值给data
      this.userList = res.data.users
      // console.log(res.data, 7878)
    },

    // pageSize 改变时会触发
    handleSizeChange(val) {
      console.log(`每页 ${val} 条`)
      this.queryInfo.pagesize = val
      // 当前页改变后再次查询用户数据
      this.getUsersList()
    },

    // currentPage 改变时会触发
    handleCurrentChange(val) {
      // console.log(`当前页: ${val}`)
      this.queryInfo.pagenum = val
      // 当前页改变后再次查询用户数据
      this.getUsersList()
    },

    // 监听 switch 开关状态的改变
    async changeState(userinfo) {
      // console.log(userinfo)
      // 请求改变用户状态
      const { data: res } = await userState_api({
        uid: userinfo.id,
        type: userinfo.mg_state
      })
      if (res.meta.status !== 200) {
        this.$message.error('更新状态失败')
      } else {
        this.$message.success('更新状态成功')
      }
    },

    // 监听添加用户对话框的关闭事件
    addDialogClosed() {
      this.$refs.addFormRef.resetFields()
    },

    // 添加用户
    addUser() {
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) return
        // 发送请求
        const { data: res } = await userAdd_api(this.addForm)
        console.log(res)
        if (res.meta.status !== 201) return this.$message.error('添加失败')
        this.$message.success('添加成功')
        // 隐藏添加用户的对话框
        this.addDialogVisible = false
        // 重新获取用户列表数据
        this.getUsersList()
      })
    },

    // 关闭编辑对话框重置表单
    editDialogClosed() {
      this.$refs.editFormRef.resetFields()
    },

    // 显示编辑对话框并填充数据
    async showEditDialog(id) {
      this.editDialogVisible = true
      const { data: res } = await editUserId_api(id)
      console.log(res)
      if (res.meta.status !== 200)
        return this.$message.error('查询用户信息失败！')
      this.editForm = res.data
      this.editDialogVisible = true
    },

    // 修改用户数据并发送请求
    editUser() {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return
        // 发送请求
        const { data: res } = await editUser_api(this.editForm)
        // console.log(res)
        if (res.meta.status !== 200) return this.$message.error('添加失败')
        this.$message.success('修改成功')
        // 隐藏添加用户的对话框
        this.editDialogVisible = false
        // 重新获取用户列表数据
        this.getUsersList()
      })
    },

    // 删除用户
    async removeUserById(id) {
      const confirmResult = await this.$confirm(
        '此操作将永久删除该用户, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)
      // 如果用户确认删除，则返回值为字符串 confirm
      // 如果用户取消了删除，则返回值为字符串 cancel
      // console.log(confirmResult)
      if (confirmResult !== 'confirm') return this.$message.info('已取消删除')
      const { data: res } = await deleteUser_api(id)
      // console.log(res)
      if (res.meta.status !== 200) return this.$message.error('删除用户失败')
      this.$message.success('删除用户成功!')
      this.getUsersList()
    },

    // 关闭编辑对话框重置表单
    setRoleDialogClosed() {
      this.selectedRoleId = ''
      this.userInfo = {}
    },

    // 显示分配角色对话框并填充数据
    async setUserRole(userinfos) {
      this.userInfo = userinfos
      // console.log(userinfos)
      const { data: res } = await userRole_api()
      // console.log(res.data)
      if (res.meta.status !== 200)
        return this.$message.error('查询用户角色失败！')
      this.rolesList = res.data
      this.setRoleDialogVisible = true
    },

    // 修改用户角色并发送请求
    async saveRoleInfo() {
      console.log(this.selectedRoleId)
      // 发送请求
      const { data: res } = await setUserRole_api({
        id: this.userInfo.id,
        rid: this.selectedRoleId
      })
      // console.log(res)
      if (res.meta.status !== 200) return this.$message.error('分配角色失败')
      this.$message.success('分配角色成功')
      // 隐藏修改用户角色的对话框
      this.setRoleDialogVisible = false
      // 重新获取用户列表数据
      this.getUsersList()
    }
  }
}
</script>
<style scoped>
</style>
